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Fatigue is: The Body’s “Downtime” Follows a Period of: Extended mental activity

Definition of Fatigue. Topic 5 Lesson 1. Fatigue is: The Body’s “Downtime” Follows a Period of: Extended mental activity Extended physical activity Characterized by: Reduced capacity for work Reduced efficiency of brain function. T – 7.22. Causes of Fatigue.

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Fatigue is: The Body’s “Downtime” Follows a Period of: Extended mental activity

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  1. Definition of Fatigue Topic 5 Lesson 1 • Fatigue is: • The Body’s “Downtime” • Follows a Period of: • Extended mental activity • Extended physical activity • Characterized by: • Reduced capacity for work • Reduced efficiency of brain function T – 7.22

  2. Causes of Fatigue Topic 5 Lesson 1 • Disruption of Cicadian Rhythm • Extended Physical Activity • Emotional Stress • Sleep Disorders • Body’s Natural “downtime” • Midnight to 6 a.m. • 1 p.m. to 3 p.m. T – 7.23

  3. Physical Symptoms of Fatigue Topic 5 Lesson 1 • Tired Muscles • General Body Sensation of Tiredness • Sleepiness • Mental Dullness T – 7.24

  4. Physical Symptoms of Fatigue Topic 5 Lesson 1 • Localized Pain in Back of Head • Pain and Soreness in Muscles • Stiffness in Joints • Swelling of Hands and Feet T – 7.25

  5. Mental Symptoms of Fatigue Topic 5 Lesson 1 • Inability to Maintain Attention • Impaired Memory • Failure to Grasp New Ideas • Difficulty/Slowness in Reasoning T – 7.26

  6. Delaying Fatigue Onset Topic 5 Lesson 1 • Avoid Long Drives • Avoid Leaning Forward or Backward • Keep Your Eyes Moving • Get Plenty of Fresh Air T – 7.27

  7. Delaying Fatigue Symptoms Topic 5 Lesson 1 • Change Drivers at Regular Intervals • Wear Your Safety Belt • Avoid Getting Angry • Adjust HVAC Properly T – 7.28

  8. Using or Not Using? Topic 1 Lesson 1 Why do you think Virginia has a Zero Tolerance Law for drivers under age 21? Why do some people choose not to use alcohol or other drugs? T – 7.1

  9. Topic 1 Lesson 1 Your Choices and Responsibilities Having a driver’s license involves more than just knowing how to drive. It involvesdemonstrating responsible adult behaviors. Responsibility: NO Thanks I’m Driving • starts with the decisions you make; • your ability to carefully consider the potential consequences of your choices; and • acceptance of the financial responsibility for the harm you cause yourself or others. Virginia’s Zero Tolerance Law protect citizens from underage drinking and driving. T – 7.1a

  10. ZERO TOLERANCE Cannot purchase, possess or consume alcohol under age 21 BAC 0.02 = DUI BAC 0.02-0.08 = • Suspension of driving privilege for 1 YEAR from date of conviction AND • Minimum mandatory of $500 OR be required to complete at least 50 HOURS of community service

  11. IMPLIED CONSENT When you sign for your drivers license/permit, you are agreeing to take a breathalyzer if a police officer has reasonable cause to believe you are drinking and driving FAILURE/REFUSAL TO DO SO= • Automatic 7 DAY license suspension AND • ARREST

  12. OTHER PENALTIES FOR ALCOHOL VIOLATIONS Under Age Possession of Alcohol: • 1 year driving suspension AND • $500 minimum fine or complete at least 50 hours of community service

  13. Topic 1 Lesson 1 Evaluating Impairment Involves • Making personal decisions about alcohol and the driving task • Analyzing the alcohol-related safety problem • Understanding the physiological and psychological effects of alcohol on the driving task • Studying the effects of other drugs on the driving task • Understanding driver fatigue and the dangers of road rage T – 7.3

  14. Topic 2 Lesson 1 Impact of Alcohol Crashes on Virginians ALL Persons Killed Alcohol-related Injuries All Persons Injured Young People 15-20 Killed Young People 15-20 Injured Virginia Statistics provided by DMV’s 2002 Crash Report T – 7.3a

  15. Elimination Rate Topic 3 Lesson 1 Myth The average person can tolerate one drink per hour without substantial impairment. • Facts • Sobriety returns ONLY with time. • Alcohol is eliminated at approximately .015 BAC per hour. Titanic Principle If you take in more than your system can pump out, sooner or later you’ll sink! T – 7.10

  16. Elimination Rate Topic 3 Lesson 1 Example Based on 1 drink per hour for 6 hours 150 lb male BAC in (6 hr. x .03) = .18 BAC out (6 hr. x .015) = .09 BAC after 6 hr. (.18 - .09) = .09 BAC remaining 150 lb female BAC in (6 hr. x .033) = .198 BAC out (6 hr. x .015) = .09 BAC after 6 hr. (.198 - .09) = .108 BAC remaining T – 7.10a

  17. Topic 3 Lesson 1 Elimination of Alcohol } Breath Urine Sweat 10% LIVER 90% ELIMINATION PROCESS An adult male with normal liver function eliminates about 0.015 BAC per hour. Therefore: BAC of 0.05 = 3.5 hours for removal BAC of 0.07 = 5.0 hours for removal BAC of 0.10 = 7.0 hours for removal BAC of 0.15 = 10.0 hours for removal T – 7.10b

  18. Topic 3 Lesson 1 Elimination Rate BAC .16 = BAC Peak at 1 am Still legally INTOXICATED (.08) at 6 am Stops Drinking at 12:30am Still IMPAIRED (.05) at 9:30AM HRS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ABSORPTION ELIMINATION T – 7.11

  19. Topic 4 Lesson 1 Alcohol and Space Management • Searching • Alcohol • narrows the field of vision • lessens visual acuity • impedes the ability to distinguish colors • reduces the ability to rapidly change focus from close to far • may produce double vision by relaxing the muscles that control the eyes • reduces the ability to judge distance accurately • After drinking, a driver may tend to stare at the center line. T – 7.15 – 7.16

  20. Topic 4 Lesson 2 Alcohol and Space Management Evaluating • Alcohol • impairs judgment • diminishes the ability to process multiple variables • lessens the ability to concentrate T – 7.17

  21. Alcohol and Space Management Topic 4 Lesson 2 Executing • Alcohol • causes changes in coordination • slows reaction time • affects the ability to judge distance • a drinking driver may perceive something as further away than it is • affects ability to judge speed • drinking driver may be unable to judge speed of approaching traffic T – 7.18

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